Pulling a BP

the act or function of royally fucking something up good.
synonymous with screwing the pooch, catastrophic error or epic fail or snafu. . . .

Hey what did you do last night?
Not much, GF saw those pix from that trip to Vegas, wife saw the pix of the GF and boss found my porn stash on the company computer. . .

Oh, so you pretty much spent the entire day pulling a BP . . .

Yeah - pretty much